Morning flight over Catalina Island with sun glinting off the Pacific Ocean waves

Want to see what “Unprecedented” looks like in graph form?

This plot shows sea ice extent in the Antarctic on Earth during the month of November, going back basically as long as there have been satellite observations of sea ice. Sea ice forms on the surface of the ocean in cold settings, particularly during winter as there is no sun available. Since it is directly exposed to weather and the ocean, it is much less stable than thick, packed ice locked on land.

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